./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/softmax_13_unsafe.c-amalgamation.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64383bbc-3c83-40a7-9f25-a1c7b974e0b9/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64383bbc-3c83-40a7-9f25-a1c7b974e0b9/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64383bbc-3c83-40a7-9f25-a1c7b974e0b9/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64383bbc-3c83-40a7-9f25-a1c7b974e0b9/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/neural-networks/softmax_13_unsafe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64383bbc-3c83-40a7-9f25-a1c7b974e0b9/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64383bbc-3c83-40a7-9f25-a1c7b974e0b9/bin/uautomizer-verify-qhAvR1uOyd --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 67cd74f80ef958ed58b04e5875a521b0e309b7eaef4d612bbf7e11c2fdaa22b2 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 13:46:32,172 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 13:46:32,226 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64383bbc-3c83-40a7-9f25-a1c7b974e0b9/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-13 13:46:32,230 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 13:46:32,231 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 13:46:32,258 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 13:46:32,259 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 13:46:32,259 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 13:46:32,259 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 13:46:32,259 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 13:46:32,259 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 13:46:32,259 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 13:46:32,260 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 13:46:32,260 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 13:46:32,260 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 13:46:32,260 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 13:46:32,260 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 13:46:32,260 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 13:46:32,260 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 13:46:32,260 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 13:46:32,261 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 13:46:32,261 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 13:46:32,261 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 13:46:32,261 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 13:46:32,261 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 13:46:32,261 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 13:46:32,261 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 13:46:32,261 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 13:46:32,262 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 13:46:32,262 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 13:46:32,262 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 13:46:32,262 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 13:46:32,262 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:46:32,262 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 13:46:32,262 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 13:46:32,262 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 13:46:32,262 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 13:46:32,263 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 13:46:32,263 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 13:46:32,263 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 13:46:32,263 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 13:46:32,263 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 13:46:32,263 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64383bbc-3c83-40a7-9f25-a1c7b974e0b9/bin/uautomizer-verify-qhAvR1uOyd Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67cd74f80ef958ed58b04e5875a521b0e309b7eaef4d612bbf7e11c2fdaa22b2 [2024-11-13 13:46:32,551 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 13:46:32,562 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 13:46:32,564 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 13:46:32,566 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 13:46:32,567 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 13:46:32,568 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64383bbc-3c83-40a7-9f25-a1c7b974e0b9/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/neural-networks/softmax_13_unsafe.c-amalgamation.i Unable to find full path for "g++" [2024-11-13 13:46:34,413 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 13:46:34,759 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 13:46:34,760 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64383bbc-3c83-40a7-9f25-a1c7b974e0b9/sv-benchmarks/c/neural-networks/softmax_13_unsafe.c-amalgamation.i [2024-11-13 13:46:34,787 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64383bbc-3c83-40a7-9f25-a1c7b974e0b9/bin/uautomizer-verify-qhAvR1uOyd/data/6a7215e70/5aa32b1a89004fdbb0d60302ec5f44e6/FLAG686a0cb0b [2024-11-13 13:46:34,804 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64383bbc-3c83-40a7-9f25-a1c7b974e0b9/bin/uautomizer-verify-qhAvR1uOyd/data/6a7215e70/5aa32b1a89004fdbb0d60302ec5f44e6 [2024-11-13 13:46:34,806 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 13:46:34,808 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 13:46:34,809 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 13:46:34,809 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 13:46:34,814 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 13:46:34,814 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:46:34" (1/1) ... [2024-11-13 13:46:34,815 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ce2943b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:46:34, skipping insertion in model container [2024-11-13 13:46:34,816 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:46:34" (1/1) ... [2024-11-13 13:46:34,865 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 13:46:35,481 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: isnan at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:629) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:3128) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.lambda$150(StandardFunctionHandler.java:621) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:255) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1611) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:271) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2564) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:307) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:791) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:286) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2564) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:307) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2564) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:307) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1761) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:233) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1167) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1150) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:236) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:388) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1638) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:159) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3515) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2508) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:642) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:135) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:189) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:116) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:94) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:145) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-13 13:46:35,492 INFO L158 Benchmark]: Toolchain (without parser) took 680.04ms. Allocated memory is still 117.4MB. Free memory was 89.6MB in the beginning and 74.3MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 13:46:35,492 INFO L158 Benchmark]: CDTParser took 0.94ms. Allocated memory is still 117.4MB. Free memory is still 74.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:46:35,493 INFO L158 Benchmark]: CACSL2BoogieTranslator took 677.87ms. Allocated memory is still 117.4MB. Free memory was 89.6MB in the beginning and 74.3MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 13:46:35,494 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.94ms. Allocated memory is still 117.4MB. Free memory is still 74.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 677.87ms. Allocated memory is still 117.4MB. Free memory was 89.6MB in the beginning and 74.3MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: isnan de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: isnan: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:629) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64383bbc-3c83-40a7-9f25-a1c7b974e0b9/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64383bbc-3c83-40a7-9f25-a1c7b974e0b9/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64383bbc-3c83-40a7-9f25-a1c7b974e0b9/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64383bbc-3c83-40a7-9f25-a1c7b974e0b9/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/neural-networks/softmax_13_unsafe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64383bbc-3c83-40a7-9f25-a1c7b974e0b9/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64383bbc-3c83-40a7-9f25-a1c7b974e0b9/bin/uautomizer-verify-qhAvR1uOyd --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 67cd74f80ef958ed58b04e5875a521b0e309b7eaef4d612bbf7e11c2fdaa22b2 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 13:46:38,023 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 13:46:38,163 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64383bbc-3c83-40a7-9f25-a1c7b974e0b9/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-13 13:46:38,170 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 13:46:38,171 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 13:46:38,205 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 13:46:38,207 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 13:46:38,207 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 13:46:38,208 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 13:46:38,208 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 13:46:38,208 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 13:46:38,208 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 13:46:38,208 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 13:46:38,208 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 13:46:38,208 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 13:46:38,209 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 13:46:38,209 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 13:46:38,209 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 13:46:38,209 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 13:46:38,209 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 13:46:38,209 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 13:46:38,209 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 13:46:38,209 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 13:46:38,210 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 13:46:38,210 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 13:46:38,210 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 13:46:38,210 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 13:46:38,210 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 13:46:38,210 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 13:46:38,210 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 13:46:38,210 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 13:46:38,210 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 13:46:38,211 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 13:46:38,212 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 13:46:38,213 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:46:38,213 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 13:46:38,213 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 13:46:38,213 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 13:46:38,213 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-13 13:46:38,213 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 13:46:38,213 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 13:46:38,213 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 13:46:38,213 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 13:46:38,213 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 13:46:38,214 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64383bbc-3c83-40a7-9f25-a1c7b974e0b9/bin/uautomizer-verify-qhAvR1uOyd Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67cd74f80ef958ed58b04e5875a521b0e309b7eaef4d612bbf7e11c2fdaa22b2 [2024-11-13 13:46:38,523 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 13:46:38,532 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 13:46:38,535 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 13:46:38,536 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 13:46:38,536 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 13:46:38,537 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64383bbc-3c83-40a7-9f25-a1c7b974e0b9/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/neural-networks/softmax_13_unsafe.c-amalgamation.i Unable to find full path for "g++" [2024-11-13 13:46:40,522 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 13:46:40,866 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 13:46:40,866 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64383bbc-3c83-40a7-9f25-a1c7b974e0b9/sv-benchmarks/c/neural-networks/softmax_13_unsafe.c-amalgamation.i [2024-11-13 13:46:40,884 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64383bbc-3c83-40a7-9f25-a1c7b974e0b9/bin/uautomizer-verify-qhAvR1uOyd/data/13c150523/825a7d5fba874edabb0026375a6990aa/FLAG0531ab158 [2024-11-13 13:46:40,899 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64383bbc-3c83-40a7-9f25-a1c7b974e0b9/bin/uautomizer-verify-qhAvR1uOyd/data/13c150523/825a7d5fba874edabb0026375a6990aa [2024-11-13 13:46:40,901 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 13:46:40,903 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 13:46:40,904 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 13:46:40,904 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 13:46:40,909 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 13:46:40,909 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:46:40" (1/1) ... [2024-11-13 13:46:40,910 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79059170 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:46:40, skipping insertion in model container [2024-11-13 13:46:40,911 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:46:40" (1/1) ... [2024-11-13 13:46:40,949 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 13:46:41,810 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64383bbc-3c83-40a7-9f25-a1c7b974e0b9/sv-benchmarks/c/neural-networks/softmax_13_unsafe.c-amalgamation.i[63385,63398] [2024-11-13 13:46:41,813 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:46:41,824 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 13:46:41,887 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64383bbc-3c83-40a7-9f25-a1c7b974e0b9/sv-benchmarks/c/neural-networks/softmax_13_unsafe.c-amalgamation.i[63385,63398] [2024-11-13 13:46:41,888 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:46:42,046 INFO L204 MainTranslator]: Completed translation [2024-11-13 13:46:42,047 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:46:42 WrapperNode [2024-11-13 13:46:42,047 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 13:46:42,048 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 13:46:42,048 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 13:46:42,048 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 13:46:42,054 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:46:42" (1/1) ... [2024-11-13 13:46:42,075 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:46:42" (1/1) ... [2024-11-13 13:46:42,096 INFO L138 Inliner]: procedures = 562, calls = 35, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 96 [2024-11-13 13:46:42,096 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 13:46:42,097 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 13:46:42,097 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 13:46:42,097 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 13:46:42,105 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:46:42" (1/1) ... [2024-11-13 13:46:42,105 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:46:42" (1/1) ... [2024-11-13 13:46:42,108 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:46:42" (1/1) ... [2024-11-13 13:46:42,148 INFO L175 MemorySlicer]: Split 24 memory accesses to 4 slices as follows [2, 7, 10, 5]. 42 percent of accesses are in the largest equivalence class. The 9 initializations are split as follows [2, 7, 0, 0]. The 6 writes are split as follows [0, 0, 4, 2]. [2024-11-13 13:46:42,148 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:46:42" (1/1) ... [2024-11-13 13:46:42,149 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:46:42" (1/1) ... [2024-11-13 13:46:42,157 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:46:42" (1/1) ... [2024-11-13 13:46:42,160 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:46:42" (1/1) ... [2024-11-13 13:46:42,162 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:46:42" (1/1) ... [2024-11-13 13:46:42,163 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:46:42" (1/1) ... [2024-11-13 13:46:42,166 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 13:46:42,167 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 13:46:42,167 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 13:46:42,167 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 13:46:42,168 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:46:42" (1/1) ... [2024-11-13 13:46:42,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:46:42,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64383bbc-3c83-40a7-9f25-a1c7b974e0b9/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:46:42,205 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64383bbc-3c83-40a7-9f25-a1c7b974e0b9/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 13:46:42,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64383bbc-3c83-40a7-9f25-a1c7b974e0b9/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 13:46:42,232 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-11-13 13:46:42,232 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-11-13 13:46:42,233 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2024-11-13 13:46:42,233 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2024-11-13 13:46:42,233 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 13:46:42,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-13 13:46:42,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-13 13:46:42,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-13 13:46:42,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-13 13:46:42,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 13:46:42,233 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 13:46:42,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 13:46:42,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-11-13 13:46:42,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-11-13 13:46:42,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2024-11-13 13:46:42,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2024-11-13 13:46:42,234 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 13:46:42,367 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 13:46:42,370 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 13:46:43,470 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-11-13 13:46:43,470 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 13:46:43,478 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 13:46:43,479 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-13 13:46:43,479 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:46:43 BoogieIcfgContainer [2024-11-13 13:46:43,479 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 13:46:43,482 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 13:46:43,482 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 13:46:43,486 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 13:46:43,487 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 01:46:40" (1/3) ... [2024-11-13 13:46:43,487 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@196c5c30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:46:43, skipping insertion in model container [2024-11-13 13:46:43,488 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:46:42" (2/3) ... [2024-11-13 13:46:43,488 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@196c5c30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:46:43, skipping insertion in model container [2024-11-13 13:46:43,488 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:46:43" (3/3) ... [2024-11-13 13:46:43,489 INFO L112 eAbstractionObserver]: Analyzing ICFG softmax_13_unsafe.c-amalgamation.i [2024-11-13 13:46:43,504 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 13:46:43,506 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG softmax_13_unsafe.c-amalgamation.i that has 1 procedures, 19 locations, 1 initial locations, 3 loop locations, and 1 error locations. [2024-11-13 13:46:43,553 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 13:46:43,565 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5309899d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 13:46:43,565 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 13:46:43,572 INFO L276 IsEmpty]: Start isEmpty. Operand has 19 states, 17 states have (on average 1.588235294117647) internal successors, (27), 18 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:46:43,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 13:46:43,576 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:46:43,577 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:46:43,577 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:46:43,583 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:46:43,584 INFO L85 PathProgramCache]: Analyzing trace with hash -1501525934, now seen corresponding path program 1 times [2024-11-13 13:46:43,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 13:46:43,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1501550959] [2024-11-13 13:46:43,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:46:43,600 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 13:46:43,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64383bbc-3c83-40a7-9f25-a1c7b974e0b9/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 13:46:43,604 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64383bbc-3c83-40a7-9f25-a1c7b974e0b9/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 13:46:43,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64383bbc-3c83-40a7-9f25-a1c7b974e0b9/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-13 13:46:43,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:46:43,830 INFO L255 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 13:46:43,834 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:46:43,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:46:43,858 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:46:43,859 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 13:46:43,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1501550959] [2024-11-13 13:46:43,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1501550959] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:46:43,864 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:46:43,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:46:43,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570796646] [2024-11-13 13:46:43,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:46:43,870 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 13:46:43,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 13:46:43,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 13:46:43,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 13:46:43,894 INFO L87 Difference]: Start difference. First operand has 19 states, 17 states have (on average 1.588235294117647) internal successors, (27), 18 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:46:43,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:46:43,909 INFO L93 Difference]: Finished difference Result 35 states and 50 transitions. [2024-11-13 13:46:43,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 13:46:43,912 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2024-11-13 13:46:43,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:46:43,919 INFO L225 Difference]: With dead ends: 35 [2024-11-13 13:46:43,919 INFO L226 Difference]: Without dead ends: 15 [2024-11-13 13:46:43,922 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 13:46:43,927 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 13:46:43,929 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 13:46:43,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2024-11-13 13:46:43,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2024-11-13 13:46:43,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 14 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:46:43,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 18 transitions. [2024-11-13 13:46:43,961 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 18 transitions. Word has length 12 [2024-11-13 13:46:43,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:46:43,962 INFO L471 AbstractCegarLoop]: Abstraction has 15 states and 18 transitions. [2024-11-13 13:46:43,962 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:46:43,962 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-11-13 13:46:43,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 13:46:43,963 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:46:43,963 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:46:43,969 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64383bbc-3c83-40a7-9f25-a1c7b974e0b9/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-13 13:46:44,167 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64383bbc-3c83-40a7-9f25-a1c7b974e0b9/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 13:46:44,167 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:46:44,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:46:44,168 INFO L85 PathProgramCache]: Analyzing trace with hash 409250687, now seen corresponding path program 1 times [2024-11-13 13:46:44,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 13:46:44,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [827913418] [2024-11-13 13:46:44,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:46:44,169 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 13:46:44,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64383bbc-3c83-40a7-9f25-a1c7b974e0b9/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 13:46:44,171 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64383bbc-3c83-40a7-9f25-a1c7b974e0b9/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 13:46:44,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64383bbc-3c83-40a7-9f25-a1c7b974e0b9/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-13 13:46:44,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:46:44,364 INFO L255 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 13:46:44,366 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:46:44,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:46:44,448 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:46:44,448 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 13:46:44,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [827913418] [2024-11-13 13:46:44,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [827913418] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:46:44,449 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:46:44,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:46:44,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532461758] [2024-11-13 13:46:44,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:46:44,450 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:46:44,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 13:46:44,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:46:44,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:46:44,451 INFO L87 Difference]: Start difference. First operand 15 states and 18 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:46:45,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:46:45,129 INFO L93 Difference]: Finished difference Result 26 states and 32 transitions. [2024-11-13 13:46:45,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:46:45,131 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2024-11-13 13:46:45,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:46:45,132 INFO L225 Difference]: With dead ends: 26 [2024-11-13 13:46:45,132 INFO L226 Difference]: Without dead ends: 18 [2024-11-13 13:46:45,132 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:46:45,133 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 3 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-13 13:46:45,133 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 21 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-13 13:46:45,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2024-11-13 13:46:45,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 16. [2024-11-13 13:46:45,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 15 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:46:45,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 19 transitions. [2024-11-13 13:46:45,140 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 19 transitions. Word has length 12 [2024-11-13 13:46:45,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:46:45,140 INFO L471 AbstractCegarLoop]: Abstraction has 16 states and 19 transitions. [2024-11-13 13:46:45,140 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:46:45,141 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2024-11-13 13:46:45,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 13:46:45,142 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:46:45,142 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:46:45,148 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64383bbc-3c83-40a7-9f25-a1c7b974e0b9/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-13 13:46:45,346 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64383bbc-3c83-40a7-9f25-a1c7b974e0b9/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 13:46:45,346 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:46:45,347 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:46:45,347 INFO L85 PathProgramCache]: Analyzing trace with hash 1797704938, now seen corresponding path program 1 times [2024-11-13 13:46:45,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 13:46:45,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1906511252] [2024-11-13 13:46:45,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:46:45,351 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 13:46:45,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64383bbc-3c83-40a7-9f25-a1c7b974e0b9/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 13:46:45,353 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64383bbc-3c83-40a7-9f25-a1c7b974e0b9/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 13:46:45,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64383bbc-3c83-40a7-9f25-a1c7b974e0b9/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-13 13:46:45,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:46:45,530 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 13:46:45,533 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:46:45,661 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:46:45,662 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:46:45,754 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:46:45,754 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 13:46:45,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1906511252] [2024-11-13 13:46:45,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1906511252] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:46:45,754 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 13:46:45,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2024-11-13 13:46:45,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633221972] [2024-11-13 13:46:45,755 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 13:46:45,755 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 13:46:45,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 13:46:45,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 13:46:45,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:46:45,757 INFO L87 Difference]: Start difference. First operand 16 states and 19 transitions. Second operand has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:46:46,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:46:46,939 INFO L93 Difference]: Finished difference Result 30 states and 38 transitions. [2024-11-13 13:46:46,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 13:46:46,940 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2024-11-13 13:46:46,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:46:46,940 INFO L225 Difference]: With dead ends: 30 [2024-11-13 13:46:46,940 INFO L226 Difference]: Without dead ends: 22 [2024-11-13 13:46:46,941 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:46:46,941 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 11 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-13 13:46:46,943 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 34 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-13 13:46:46,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2024-11-13 13:46:46,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2024-11-13 13:46:46,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 21 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:46:46,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 27 transitions. [2024-11-13 13:46:46,949 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 27 transitions. Word has length 15 [2024-11-13 13:46:46,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:46:46,949 INFO L471 AbstractCegarLoop]: Abstraction has 22 states and 27 transitions. [2024-11-13 13:46:46,949 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:46:46,949 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2024-11-13 13:46:46,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 13:46:46,950 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:46:46,950 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:46:46,954 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64383bbc-3c83-40a7-9f25-a1c7b974e0b9/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-13 13:46:47,150 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64383bbc-3c83-40a7-9f25-a1c7b974e0b9/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 13:46:47,151 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:46:47,151 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:46:47,151 INFO L85 PathProgramCache]: Analyzing trace with hash -1686776630, now seen corresponding path program 2 times [2024-11-13 13:46:47,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 13:46:47,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1350281756] [2024-11-13 13:46:47,152 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 13:46:47,152 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 13:46:47,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64383bbc-3c83-40a7-9f25-a1c7b974e0b9/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 13:46:47,155 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64383bbc-3c83-40a7-9f25-a1c7b974e0b9/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 13:46:47,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64383bbc-3c83-40a7-9f25-a1c7b974e0b9/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-13 13:46:47,312 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-13 13:46:47,312 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 13:46:47,317 INFO L255 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 13:46:47,318 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:46:47,447 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 13:46:47,447 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:46:47,447 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 13:46:47,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1350281756] [2024-11-13 13:46:47,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1350281756] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:46:47,447 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:46:47,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 13:46:47,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778596093] [2024-11-13 13:46:47,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:46:47,448 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 13:46:47,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 13:46:47,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 13:46:47,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:46:47,449 INFO L87 Difference]: Start difference. First operand 22 states and 27 transitions. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:46:48,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:46:48,290 INFO L93 Difference]: Finished difference Result 30 states and 37 transitions. [2024-11-13 13:46:48,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:46:48,291 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2024-11-13 13:46:48,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:46:48,291 INFO L225 Difference]: With dead ends: 30 [2024-11-13 13:46:48,292 INFO L226 Difference]: Without dead ends: 24 [2024-11-13 13:46:48,292 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:46:48,293 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 5 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-13 13:46:48,293 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 18 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-13 13:46:48,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2024-11-13 13:46:48,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2024-11-13 13:46:48,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 23 states have (on average 1.2608695652173914) internal successors, (29), 23 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:46:48,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 29 transitions. [2024-11-13 13:46:48,298 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 29 transitions. Word has length 21 [2024-11-13 13:46:48,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:46:48,298 INFO L471 AbstractCegarLoop]: Abstraction has 24 states and 29 transitions. [2024-11-13 13:46:48,298 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:46:48,298 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 29 transitions. [2024-11-13 13:46:48,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 13:46:48,299 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:46:48,299 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:46:48,305 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64383bbc-3c83-40a7-9f25-a1c7b974e0b9/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-11-13 13:46:48,503 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64383bbc-3c83-40a7-9f25-a1c7b974e0b9/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 13:46:48,503 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:46:48,503 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:46:48,503 INFO L85 PathProgramCache]: Analyzing trace with hash 490155850, now seen corresponding path program 1 times [2024-11-13 13:46:48,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 13:46:48,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [91736785] [2024-11-13 13:46:48,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:46:48,504 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 13:46:48,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64383bbc-3c83-40a7-9f25-a1c7b974e0b9/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 13:46:48,508 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64383bbc-3c83-40a7-9f25-a1c7b974e0b9/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 13:46:48,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64383bbc-3c83-40a7-9f25-a1c7b974e0b9/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-13 13:46:48,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:46:48,904 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 13:46:48,905 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:46:49,057 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-13 13:46:49,058 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:46:49,208 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-13 13:46:49,208 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 13:46:49,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [91736785] [2024-11-13 13:46:49,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [91736785] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:46:49,209 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 13:46:49,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-11-13 13:46:49,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023329081] [2024-11-13 13:46:49,209 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 13:46:49,209 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 13:46:49,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 13:46:49,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 13:46:49,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-13 13:46:49,210 INFO L87 Difference]: Start difference. First operand 24 states and 29 transitions. Second operand has 8 states, 8 states have (on average 3.125) internal successors, (25), 8 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:46:51,002 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 13:46:52,272 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 13:46:52,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:46:52,816 INFO L93 Difference]: Finished difference Result 37 states and 48 transitions. [2024-11-13 13:46:52,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 13:46:52,818 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.125) internal successors, (25), 8 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2024-11-13 13:46:52,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:46:52,818 INFO L225 Difference]: With dead ends: 37 [2024-11-13 13:46:52,818 INFO L226 Difference]: Without dead ends: 30 [2024-11-13 13:46:52,819 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2024-11-13 13:46:52,819 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 29 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2024-11-13 13:46:52,820 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 33 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2024-11-13 13:46:52,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2024-11-13 13:46:52,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2024-11-13 13:46:52,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 29 states have (on average 1.206896551724138) internal successors, (35), 29 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:46:52,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 35 transitions. [2024-11-13 13:46:52,828 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 35 transitions. Word has length 23 [2024-11-13 13:46:52,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:46:52,828 INFO L471 AbstractCegarLoop]: Abstraction has 30 states and 35 transitions. [2024-11-13 13:46:52,828 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.125) internal successors, (25), 8 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:46:52,828 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 35 transitions. [2024-11-13 13:46:52,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-13 13:46:52,832 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:46:52,832 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:46:52,843 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64383bbc-3c83-40a7-9f25-a1c7b974e0b9/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2024-11-13 13:46:53,032 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64383bbc-3c83-40a7-9f25-a1c7b974e0b9/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 13:46:53,033 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:46:53,033 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:46:53,033 INFO L85 PathProgramCache]: Analyzing trace with hash -628209206, now seen corresponding path program 2 times [2024-11-13 13:46:53,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 13:46:53,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [324915352] [2024-11-13 13:46:53,034 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 13:46:53,034 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 13:46:53,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64383bbc-3c83-40a7-9f25-a1c7b974e0b9/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 13:46:53,036 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64383bbc-3c83-40a7-9f25-a1c7b974e0b9/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 13:46:53,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64383bbc-3c83-40a7-9f25-a1c7b974e0b9/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-13 13:46:55,005 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-13 13:46:55,005 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-13 13:46:55,005 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 13:46:56,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:46:57,061 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-11-13 13:46:57,061 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 13:46:57,062 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-13 13:46:57,092 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64383bbc-3c83-40a7-9f25-a1c7b974e0b9/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2024-11-13 13:46:57,264 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64383bbc-3c83-40a7-9f25-a1c7b974e0b9/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 13:46:57,267 INFO L407 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1] [2024-11-13 13:46:57,326 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 13:46:57,329 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 01:46:57 BoogieIcfgContainer [2024-11-13 13:46:57,330 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 13:46:57,330 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 13:46:57,330 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 13:46:57,331 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 13:46:57,331 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:46:43" (3/4) ... [2024-11-13 13:46:57,334 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 13:46:57,334 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 13:46:57,335 INFO L158 Benchmark]: Toolchain (without parser) took 16432.19ms. Allocated memory is still 83.9MB. Free memory was 58.9MB in the beginning and 42.4MB in the end (delta: 16.5MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. [2024-11-13 13:46:57,335 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 83.9MB. Free memory was 64.6MB in the beginning and 64.6MB in the end (delta: 36.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:46:57,335 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1143.38ms. Allocated memory is still 83.9MB. Free memory was 58.6MB in the beginning and 36.4MB in the end (delta: 22.1MB). Peak memory consumption was 48.3MB. Max. memory is 16.1GB. [2024-11-13 13:46:57,336 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.42ms. Allocated memory is still 83.9MB. Free memory was 35.9MB in the beginning and 33.2MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:46:57,336 INFO L158 Benchmark]: Boogie Preprocessor took 69.72ms. Allocated memory is still 83.9MB. Free memory was 33.2MB in the beginning and 54.3MB in the end (delta: -21.1MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. [2024-11-13 13:46:57,337 INFO L158 Benchmark]: RCFGBuilder took 1312.30ms. Allocated memory is still 83.9MB. Free memory was 54.3MB in the beginning and 40.7MB in the end (delta: 13.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:46:57,337 INFO L158 Benchmark]: TraceAbstraction took 13848.15ms. Allocated memory is still 83.9MB. Free memory was 39.9MB in the beginning and 42.4MB in the end (delta: -2.4MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. [2024-11-13 13:46:57,337 INFO L158 Benchmark]: Witness Printer took 4.02ms. Allocated memory is still 83.9MB. Free memory was 42.4MB in the beginning and 42.4MB in the end (delta: 4.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:46:57,339 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 83.9MB. Free memory was 64.6MB in the beginning and 64.6MB in the end (delta: 36.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1143.38ms. Allocated memory is still 83.9MB. Free memory was 58.6MB in the beginning and 36.4MB in the end (delta: 22.1MB). Peak memory consumption was 48.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.42ms. Allocated memory is still 83.9MB. Free memory was 35.9MB in the beginning and 33.2MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 69.72ms. Allocated memory is still 83.9MB. Free memory was 33.2MB in the beginning and 54.3MB in the end (delta: -21.1MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1312.30ms. Allocated memory is still 83.9MB. Free memory was 54.3MB in the beginning and 40.7MB in the end (delta: 13.6MB). There was no memory consumed. Max. memory is 16.1GB. * TraceAbstraction took 13848.15ms. Allocated memory is still 83.9MB. Free memory was 39.9MB in the beginning and 42.4MB in the end (delta: -2.4MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. * Witness Printer took 4.02ms. Allocated memory is still 83.9MB. Free memory was 42.4MB in the beginning and 42.4MB in the end (delta: 4.2kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 870]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of expf at line 854, overapproximation of __builtin_isinf_sign at line 868. Possible FailurePath: [L863] float x[4], y[4]; [L864] x[0] = __VERIFIER_nondet_float() [L865] EXPR x[0] [L865] x[1] = x[0] + 1e-5f [L866] x[2] = 0.123456f [L867] x[3] = 0.654321f [L868] EXPR x[0] [L868] COND FALSE !(!(!__builtin_isnan (x[0]) && !__builtin_isinf_sign (x[0]))) [L869] CALL softmax(x, y, 4) [L847] int i; [L848] EXPR x[0] [L848] float max = x[0]; [L849] i = 1 VAL [i=1, max=0.00023112499911803752, n=4, x={-2147483648:0}, y={3:0}] [L849] COND TRUE i < n [L850] EXPR x[i] [L850] COND TRUE x[i] > max [L851] EXPR x[i] [L851] max = x[i] VAL [i=1, max=0.00024112500250339508, n=4, x={-2147483648:0}, y={3:0}] [L849] ++i VAL [i=2, max=0.00024112500250339508, n=4, x={-2147483648:0}, y={3:0}] [L849] COND TRUE i < n [L850] EXPR x[i] [L850] COND TRUE x[i] > max [L851] EXPR x[i] [L851] max = x[i] VAL [i=2, max=0.12345600128173828, n=4, x={-2147483648:0}, y={3:0}] [L849] ++i VAL [i=3, max=0.12345600128173828, n=4, x={-2147483648:0}, y={3:0}] [L849] COND TRUE i < n [L850] EXPR x[i] [L850] COND TRUE x[i] > max [L851] EXPR x[i] [L851] max = x[i] VAL [i=3, max=0.654321014881134, n=4, x={-2147483648:0}, y={3:0}] [L849] ++i VAL [i=4, max=0.654321014881134, n=4, x={-2147483648:0}, y={3:0}] [L849] COND FALSE !(i < n) VAL [max=0.654321014881134, n=4, x={-2147483648:0}, y={3:0}] [L852] float sum = 0.0f; [L853] i = 0 VAL [i=0, max=0.654321014881134, n=4, sum=0.0, x={-2147483648:0}, y={3:0}] [L853] COND TRUE i < n [L854] EXPR x[i] [L854] float z = expf(x[i] - max); [L855] sum += z [L856] y[i] = z [L853] ++i VAL [i=1, max=0.654321014881134, n=4, sum=0.0, x={-2147483648:0}, y={3:0}] [L853] COND TRUE i < n [L854] EXPR x[i] [L854] float z = expf(x[i] - max); [L855] sum += z [L856] y[i] = z [L853] ++i VAL [i=2, max=0.654321014881134, n=4, sum=9223372036854776000, x={-2147483648:0}, y={3:0}] [L853] COND TRUE i < n [L854] EXPR x[i] [L854] float z = expf(x[i] - max); [L855] sum += z [L856] y[i] = z [L853] ++i VAL [i=3, max=0.654321014881134, n=4, sum=1090715534753792, x={-2147483648:0}, y={3:0}] [L853] COND TRUE i < n [L854] EXPR x[i] [L854] float z = expf(x[i] - max); [L855] sum += z [L856] y[i] = z [L853] ++i VAL [i=4, max=0.654321014881134, n=4, sum=3045647208939520, x={-2147483648:0}, y={3:0}] [L853] COND FALSE !(i < n) VAL [max=0.654321014881134, n=4, sum=3045647208939520, x={-2147483648:0}, y={3:0}] [L858] i = 0 VAL [i=0, max=0.654321014881134, n=4, sum=3045647208939520, x={-2147483648:0}, y={3:0}] [L858] COND TRUE i < n [L859] EXPR y[i] [L859] y[i] /= sum [L858] ++i VAL [i=1, max=0.654321014881134, n=4, sum=3045647208939520, x={-2147483648:0}, y={3:0}] [L858] COND TRUE i < n [L859] EXPR y[i] [L859] y[i] /= sum [L858] ++i VAL [i=2, max=0.654321014881134, n=4, sum=3045647208939520, x={-2147483648:0}, y={3:0}] [L858] COND TRUE i < n [L859] EXPR y[i] [L859] y[i] /= sum [L858] ++i VAL [i=3, max=0.654321014881134, n=4, sum=3045647208939520, x={-2147483648:0}, y={3:0}] [L858] COND TRUE i < n [L859] EXPR y[i] [L859] y[i] /= sum [L858] ++i VAL [i=4, max=0.654321014881134, n=4, sum=3045647208939520, x={-2147483648:0}, y={3:0}] [L858] COND FALSE !(i < n) VAL [max=0.654321014881134, sum=3045647208939520, x={-2147483648:0}, y={3:0}] [L869] RET softmax(x, y, 4) [L870] EXPR y[2] [L870] EXPR y[3] [L870] COND TRUE !(__builtin_isgreaterequal(y[2], y[3])) [L870] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 19 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 13.7s, OverallIterations: 6, TraceHistogramMax: 4, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 6.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 48 SdHoareTripleChecker+Valid, 6.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 48 mSDsluCounter, 128 SdHoareTripleChecker+Invalid, 6.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 53 mSDsCounter, 19 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 118 IncrementalHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 19 mSolverCounterUnsat, 75 mSDtfsCounter, 118 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 116 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=30occurred in iteration=5, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 2.6s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 112 NumberOfCodeBlocks, 103 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 114 ConstructedInterpolants, 0 QuantifiedInterpolants, 252 SizeOfPredicates, 0 NumberOfNonLiveVariables, 402 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 7 InterpolantComputations, 3 PerfectInterpolantSequences, 38/42 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 13:46:57,376 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64383bbc-3c83-40a7-9f25-a1c7b974e0b9/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample